Merge branch 'release/v2.6.x'

Preparing for v2.6.1

Updating release date

Merge pull request fyne-io#5654 from andydotxyz/fix/5653

Ensure we repaint re-used windows

Prep for rc2

Changelog for v2.6.0

Merge branch 'release/v2.5.x'

Prepping 2.5.5

Merge pull request fyne-io#5571 from fyne-io/fix/5141

Finish localising the DateEntry and Calendar

Merge pull request fyne-io#5525 from andydotxyz/fix/2627